console.log(typeof 1 )// 'number'
console.log(typeof '1' )// 'string'
console.log(typeof undefined )// 'undefined'
console.log(typeof true )// 'boolean'
console.log(typeof Symbol() )// 'symbol'
console.log(typeof 1n )// bigint

console.log(typeof []) // 'object'
console.log(typeof {})// 'object'
console.log(typeof console.log )// 'function'

 


